Eurois occulta

(Linnaeus, 1758)
Great Brocade

Sort #: 2932 | P #: 933560 | MPG #: 10929 | PFG Page #: 520
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Larval substrate: Larix laricina (American Larch, Tamarack), Populus tremuloides (Quaking Aspen), Alnus (Alder), Salix (Willow)
Phenology: Adult: 7/18 to 9/23 (23 records)

Status in MA (automated assessment): Fairly widespread, rare
Status in N. America: Holarctic
MA Endangered Species Act status: None
First Year Reported: 1880
Last Year Reported: 2025

Distribution by County: Berkshire, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 65